Calculated Industries Construction Master ConcreteCalc Pro 4225, Карманный справочник

Страница: 36 / 47

4225 Pocket Reference Guide — 34
2. Recall stored 7-1/2 inch desired riser
height, then find the stair values:
s 7
R-HT STORED 7-1/2 INCH
t
R-HT
!
7-9/16 INCH*
t
RSRS 16.
t
R+/- 0 INCH
t
T-WD
!
9-5/16 INCH*
t
TRDS 15.
t
T+/- 0-1/16 INCH
t
OPEN 9 FEET 10-1/4 INCH
t
STRG 15 FEET 7-5/16 INCH
t
INCL 37.27°
!
in the display means that the calculated riser Height
exceeds the desired (stored) riser height, or the calculated
tread width is below the desired (stored) tread width.
Stairs – Given Rise Only
You’re building a stairway with a total rise
of 9 feet 11 inches. Using the default riser
height of 7-1/2 inches and tread width of 10
inches, find the stair values:
KEYSTROKE DISPLAY
1. Enter known rise:
o o
0.
9 f 1 1 i h
HGHT 9 FEET 11 INCH
2. Recall stored desired stair riser height:
s 7
R-HT STORED 7-1/2 INCH
3. Recall stored desired stair tread width:
s 9
T-WD STORED 10 INCH
4. Find stair values:
t
R-HT 7-7/16 INCH
t
RSRS 16.
t
R+/- 0 INCH
t
T-WD STORED 10 INCH
t
TRDS 15.
t
T+/- 0 INCH
PRG4225E-E.indd 33 6/28/2016 1:03:10 PM